WO2002073782A1 - Device for voltage conversion - Google Patents
Device for voltage conversion Download PDFInfo
- Publication number
- WO2002073782A1 WO2002073782A1 PCT/DE2002/000573 DE0200573W WO02073782A1 WO 2002073782 A1 WO2002073782 A1 WO 2002073782A1 DE 0200573 W DE0200573 W DE 0200573W WO 02073782 A1 WO02073782 A1 WO 02073782A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching means
- voltage
- output voltage
- freewheeling
- freewheeling switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
Definitions
- the invention is based on a device for voltage L5 conversion according to the preamble of the independent claim.
- a circuit arrangement for converting an input voltage into an output voltage is already known. It comprises a first circuit which has a switching transistor, a first inductance and a component which acts as a freewheeling diode, a first capacitor being arranged in parallel with the component.
- a second circuit forms a loop between an input side and an output side of the switching transistor and has a second capacitor, a diode, a second inductor and a third capacitor.
- This circuit represents a multi-resonant converter circuit with several resonance frequencies, which can be controlled in a simple manner, in particular by means of PWM.
- the invention has for its object to provide a device for voltage conversion, which is suitable for the limitation of an overvoltage at the output of the voltage converter by little additional effort. This object is solved by the features of the independent claim.
- the device for voltage conversion according to the invention which converts an input voltage into at least one output voltage
- the freewheeling switching means is controlled in normal operation for voltage conversion.
- means for detecting a limit voltage being exceeded by the freewheeling switching means is controlled in normal operation for voltage conversion.
- L0 output voltage is provided which, when exceeded, actuates the freewheeling switching means to limit the output voltage.
- the possibility must be provided for the low voltage consumer to
- Voltage limitation is controlled. These components are available at low cost, so that the desired protective function can be implemented without great cost burdens. When using analog components to detect the over-
- the protective function can be activated almost without delay. This increases the quality of the protective function.
- the device according to the invention for converting a 55 input voltage into at least one output voltage takes place preferred use in a dual-voltage electrical system of a motor vehicle.
- the effect of a possible short circuit from a 42V electrical system to a 14V electrical system is alleviated by the device according to the invention. 5
- FIG. 1 shows a basic circuit diagram of a choke converter with synchronous rectification
- FIG. 2 shows a first control circuit with Zener diodes
- FIG. 3 shows a second control circuit with a bipolar transistor.
- An input voltage Uein with associated input current lin is connected in parallel with an input capacitor 10 and is converted into an> output voltage U.
- switching transistor 12 is connected both to the drain terminal of a freewheeling switching means 14 and to a storage inductor 16.
- the other connection of the storage choke 16 is contacted with a further branch point 19, at which an output capacitor 18 is switched against the reference potential 8.
- the source connection of the freewheeling switching means 14 is at the reference potential 8, the gate connection of the freewheeling switching means 14 is controlled by a control circuit 11.
- the output capacitor 18 is connected in parallel with the output voltage U and connected to the reference potential 8 5.
- the arrangement outlined in FIG. 1 is a choke converter with synchronous rectification.
- a control circuit 11 is provided, which serves to control the switching transistor 12 and the freewheeling switching means 14.
- the control circuit 11, the output L0 potential of the output voltage U is supplied.
- the output voltage u is tapped at the output node 19 and, via a first diode 20, a first resistor 22 to a
- the gate connection of the freewheeling switching means 14 is connected to the reference potential 8 via a parallel connection of a second zener diode 28 and a second resistor 24.
- driver 30 controls the gate connections of the switching transistor 12 and the freewheeling switching means 14. Otherwise, the structure does not differ from that of FIG. 1.
- the output voltage U is fed to the base of a bipolar transistor 40 via a third resistor 31 and a fourth resistor 32.
- the emitter of the transistor 40 is at the same potential as the output node 19.
- the collector of the transistor 40 is connected to the gate terminal of the freewheeling circuit 50 by means of 14.
- the second resistor 24 and the second zener diode 28 serve as overvoltage and current protection for the freewheeling switching means 14, connected in parallel between the gate connection and the reference potential 8.
- the common potential of the third resistor 31 and the fourth Contrary- Stand 32 arrives at the cathode of a third Zender diode 36, the anode of which is connected to the reference potential 8.
- the gate driver 30 also controls the gate connection of the freewheeling switching means 14. 5
- the DC / DC converter is preferably used in a dual-voltage electrical system (for example 42V / 14V) in a motor vehicle.
- the short circuit voltage of the 14 V on-board electrical system L0 must be limited to 27 V, for example.
- the freewheeling switching means 14 of normal operation (DC / DC conversion) is used in connection with an overvoltage detection for voltage limitation.
- the input voltage Uein of, for example, 42V should be converted into an output voltage U of, for example, 14V.
- the switching transistor 12 is switched on and the freewheeling switching means 14 is switched off at the same time, an increasing current flows through the storage inductor 16.
- the switching transistor 12 is switched off and at the same time the free-wheel switching device 14 is switched on.
- the storage choke 16 functions as a current storage device and charges the output capacitor 18 via the freewheeling switching means 14.
- the switching transistor 12 is reactivated
- the degree of voltage conversion can be set via the pulse width ratio (duty cycle of the switching transistor 12 in relation to a fixed period).
- the control circuit 11 is shown in more detail in FIG. In normal operation, the freewheeling switching means 14 operates as described in connection with FIG. 1. Only when the initial
- the freewheeling switching means 14 is driven in a voltage limiting mode in the sense of a closing. Exceeding the limit voltage by the output voltage is monitored by the first zener diode 26. If the gate of the freewheeling switching means 14 is driven in a voltage limiting mode in the sense of a closing. Exceeding the limit voltage by the output voltage is monitored by the first zener diode 26. If the gate of the freewheeling switching means 14 is driven in a voltage limiting mode in the sense of a closing. Exceeding the limit voltage by the output voltage is monitored by the first zener diode 26. If the gate of the free
- the gate driver 30 must be switched to high impedance in order not to influence the limiting circuit. That the gate driver 30 no longer carries out the pulse-width-modulated control which is customary in normal operation, in synchronism with the switching transistor 12.
- the second Zener diode 28 protects the freewheeling switching means 14 against overvoltage by the control.
- the first resistor 22 limits the current through the two Zener diodes 26, 28 to permissible values.
- the first diode 20 prevents current flow from the gate Tetreiber 30 in the on-board electrical system with the open-circuit switching means 14 in the open state and a low output voltage U.
- the second resistor 24 ensures a defined discharge of the gate of the free-wheel switching means 14 5 with high-impedance gate drivers and an output voltage U below the limit value.
- the voltage limitation can be used in a significantly smaller voltage range than in the exemplary embodiment according to FIG. 2. If the output voltage ü exceeds the Zener voltage of the third Zener diode 36, then the third one flows
- L5 resistor 31 a current.
- the voltage drop generated via the third resistor 31 triggers the transistor 40.
- the correspondingly amplified base current triggers the freewheeling switching means 14. If the output voltage U exceeds the limiting voltage (limit voltage
- the gate driver 30 must be switched to high impedance in order to avoid mutual interference. If the freewheeling switching means 14 is actuated by the gate driver 30 and at the same time the output voltage U is low, the gate driver 30 is only activated by a slight
- the circuit described is preferably suitable for the use of a dual voltage electrical system in a motor vehicle. However, it is not restricted to this.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02717952A EP1374378A1 (en) | 2001-03-14 | 2002-02-16 | Device for voltage conversion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10112141A DE10112141A1 (en) | 2001-03-14 | 2001-03-14 | Voltage conversion device |
DE10112141.5 | 2001-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002073782A1 true WO2002073782A1 (en) | 2002-09-19 |
Family
ID=7677350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/000573 WO2002073782A1 (en) | 2001-03-14 | 2002-02-16 | Device for voltage conversion |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030151870A1 (en) |
EP (1) | EP1374378A1 (en) |
KR (1) | KR20030011329A (en) |
CN (1) | CN1459139A (en) |
DE (1) | DE10112141A1 (en) |
WO (1) | WO2002073782A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010112369A2 (en) | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Arrangement for providing electrical energy |
WO2016202826A1 (en) * | 2015-06-18 | 2016-12-22 | Iie Gmbh & Co. Kg | Voltage source for modulated dc voltages |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255629A1 (en) * | 2002-11-28 | 2004-06-24 | Siemens Ag | Circuit arrangement and voltage converter |
DE10356089B4 (en) * | 2003-12-01 | 2005-11-03 | Siemens Ag | Circuit arrangement and method for controlling an inductive load |
DE102008035664B3 (en) * | 2008-07-31 | 2010-02-25 | Continental Automotive Gmbh | Circuit arrangement and system |
CN102201701A (en) * | 2010-03-26 | 2011-09-28 | 德昌电机(深圳)有限公司 | Control circuit, motor device and fan with motor device |
US9614431B2 (en) | 2010-03-26 | 2017-04-04 | Johnson Electric S.A. | Control circuit and motor device |
US8976500B2 (en) | 2010-05-26 | 2015-03-10 | Transtector Systems, Inc. | DC block RF coaxial devices |
CN102842885B (en) * | 2011-06-22 | 2017-07-21 | 富泰华工业(深圳)有限公司 | Protection circuit and the electronic installation with protection circuit |
WO2013020212A1 (en) * | 2011-08-05 | 2013-02-14 | Abb Inc. | Electrical energy storage system for traction power supply |
DE102011086829A1 (en) | 2011-11-22 | 2013-05-23 | Continental Automotive Gmbh | On-board network and method for operating a vehicle electrical system |
CN104254956A (en) * | 2012-02-10 | 2014-12-31 | 特兰斯泰克塔系统公司 | Transient control technology circuit |
WO2013120101A1 (en) | 2012-02-10 | 2013-08-15 | Transtector Systems, Inc. | Reduced let through voltage transient protection or suppression circuit |
US9048662B2 (en) | 2012-03-19 | 2015-06-02 | Transtector Systems, Inc. | DC power surge protector |
US9190837B2 (en) | 2012-05-03 | 2015-11-17 | Transtector Systems, Inc. | Rigid flex electromagnetic pulse protection device |
US9124093B2 (en) | 2012-09-21 | 2015-09-01 | Transtector Systems, Inc. | Rail surge voltage protector with fail disconnect |
DE202015002155U1 (en) * | 2015-01-19 | 2015-04-09 | FO-IN Techology GmbH | Circuit arrangement with components of power electronics |
WO2016200700A1 (en) | 2015-06-09 | 2016-12-15 | Transtector Systems, Inc. | Sealed enclosure for protecting electronics |
US9924609B2 (en) | 2015-07-24 | 2018-03-20 | Transtector Systems, Inc. | Modular protection cabinet with flexible backplane |
US10356928B2 (en) | 2015-07-24 | 2019-07-16 | Transtector Systems, Inc. | Modular protection cabinet with flexible backplane |
US10588236B2 (en) | 2015-07-24 | 2020-03-10 | Transtector Systems, Inc. | Modular protection cabinet with flexible backplane |
US10193335B2 (en) | 2015-10-27 | 2019-01-29 | Transtector Systems, Inc. | Radio frequency surge protector with matched piston-cylinder cavity shape |
US9991697B1 (en) | 2016-12-06 | 2018-06-05 | Transtector Systems, Inc. | Fail open or fail short surge protector |
DE102017200537A1 (en) * | 2017-01-13 | 2018-07-19 | Robert Bosch Gmbh | Method and control device for operating a reciprocating pump |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122724A (en) * | 1991-07-12 | 1992-06-16 | The Boeing Company | Inrush current limiter |
DE19839445A1 (en) * | 1998-08-29 | 2000-03-02 | Bosch Gmbh Robert | DC to DC voltage loss free conversion circuit, especially with pulse width modulation operation, has feedback circuit which forms loop between input side and output side of switching transistor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53133720A (en) * | 1977-04-14 | 1978-11-21 | Toko Inc | Stabilized power supply circuit |
US6046896A (en) * | 1995-08-11 | 2000-04-04 | Fijitsu Limited | DC-to-DC converter capable of preventing overvoltage |
US5986902A (en) * | 1998-06-16 | 1999-11-16 | Lucent Technologies Inc. | Integrated protection circuit, method of providing current-limiting and short-circuit protection and converter employing the same |
DE19841341A1 (en) * | 1998-09-10 | 2000-03-16 | Bosch Gmbh Robert | Downward choke converter for motor vehicle, has controllable switch behind input in series with choke in longitudinal branch, with capacitor in cross branch at output and second controllable switch |
TW465166B (en) * | 1999-02-19 | 2001-11-21 | Fuji Electric Co Ltd | Non-insulating DC-DC converter |
US6212084B1 (en) * | 1999-05-17 | 2001-04-03 | Page Aerospace Limited | Active rectifier |
-
2001
- 2001-03-14 DE DE10112141A patent/DE10112141A1/en not_active Withdrawn
-
2002
- 2002-02-16 EP EP02717952A patent/EP1374378A1/en not_active Withdrawn
- 2002-02-16 CN CN02800661A patent/CN1459139A/en active Pending
- 2002-02-16 KR KR1020027015157A patent/KR20030011329A/en not_active Application Discontinuation
- 2002-02-16 WO PCT/DE2002/000573 patent/WO2002073782A1/en not_active Application Discontinuation
- 2002-02-16 US US10/276,277 patent/US20030151870A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122724A (en) * | 1991-07-12 | 1992-06-16 | The Boeing Company | Inrush current limiter |
DE19839445A1 (en) * | 1998-08-29 | 2000-03-02 | Bosch Gmbh Robert | DC to DC voltage loss free conversion circuit, especially with pulse width modulation operation, has feedback circuit which forms loop between input side and output side of switching transistor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010112369A2 (en) | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Arrangement for providing electrical energy |
WO2010112369A3 (en) * | 2009-03-31 | 2011-04-14 | Robert Bosch Gmbh | Arrangement for providing electrical energy |
WO2016202826A1 (en) * | 2015-06-18 | 2016-12-22 | Iie Gmbh & Co. Kg | Voltage source for modulated dc voltages |
Also Published As
Publication number | Publication date |
---|---|
DE10112141A1 (en) | 2002-09-19 |
US20030151870A1 (en) | 2003-08-14 |
EP1374378A1 (en) | 2004-01-02 |
CN1459139A (en) | 2003-11-26 |
KR20030011329A (en) | 2003-02-07 |
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